8th Chapter 11 lesson 1 +2 quiz

The maximum number of electrons in the second energy level of an atom is ___?

• 6

• 8

• 10

• 12

Hpw many atoms in a molecule of Ni₂O₅

• 2

• 5

• 7

• 9

How many valence electrons are in Xenon (Xe)?

• 2

• 8

• 10

• 18

The properties of the elements that make up a compound are usually very similar to the compound itself.

• True
• False

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

How many carbon atom/s are present in the compounds CaCO₃?

• 1
• 2
• 3
• 4

in a covalent bond, electrons are

• shared

• taken

• given

• none of these

Which of the following is a covalent bond?

• NaCL

• PF₅

• KCl

• LiF

How many atoms are in triselenium nonaiodide

• 3

• 6

• 9

• 12

what types of elements make up covalent compounds?

• a metal and nonmetal

• nonmetals

• metals

• metalloids and metals